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CBSE IX Maths Set - 2

If then _____.

A)

B) 4

C) 2

D)

is a polynomial in one variable.

A) True

B) False

In the third quadrant, the nature of the x and y coordinates is ____.

A) x > 0 and y > 0

B) x < 0 and y < 0

C) x < 0 and y > 0

D) x > 0 and y < 0

If x = 2 and y = 2 is a solution of 2x + ay = 8, then a = ____.

A) 3

B) 4

C) 5

D) 2

If a straight line falling on two straight lines makes the interior angles on the same side of it taken together less than two right angles, then the two straight lines, if produced indefinitely, meet on that side on which the sum of angles is less than two right angles.

A) True

B) False

Any point on the perpendicular bisector of a line segment is equidistant from its end points.

A) True

B) False

In a right triangle ABC, right angled at B, M is the midpoint of the hypotenuse AC. If the length of the hypotenuse is 12 cm, then the length of BM is ____.

A) 6 cm

B) 12 cm

C) 4 cm

D) 3 cm

ABCD is a trapezium in which AB is parallel to CD. BD is a diagonal and E is the midpoint of AD. A line parallel to AB is drawn through E intersecting BC at F. If BC is 6 cm, then the length of BF is ____.

A) 6 cm

B) 2 cm

C) 3 cm

D) 9 cm

If the area of an equilateral triangle is then the perimeter is ____.

A) 36 cm

B) 37 cm

C) 37.2 cm

D) 36.2 cm

If the sides of a triangle are 13 cm, 14 cm and 15 cm respectively then its area is ____cm^{2}.

A) 80

B) 82

C) 84

D) 88